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TPS40002DGQ-TPS40002DGQR Fast Delivery,Good Price
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TPS40002DGQTIN/a100avaiLow Input (2.25V-5.5V) 600 kHz Frequency, Synchronous Buck Controller, Source Only
TPS40002DGQRTIN/a1301avaiLow Input (2.25V-5.5V) 600 kHz Frequency, Synchronous Buck Controller, Source Only


TPS40002DGQR ,Low Input (2.25V-5.5V) 600 kHz Frequency, Synchronous Buck Controller, Source OnlyELECTRICAL CHARACTERISTICSover recommended operating temperature range, T = −40C to 85C, V = 5.0 ..
TPS40003 ,Low Input Voltage Mode Synchronous Buck ControllerELECTRICAL CHARACTERISTICSover recommended operating temperature range, T = −40C to 85C, V = 5.0 ..
TPS40003DGQ ,Low Input Voltage Mode Synchronous Buck Controller     SLUS507D − JANUARY 2002 − REVISED NOVEMBER 20 ..
TPS40003DGQG4 ,Low Input Voltage Mode Synchronous Buck Controller 10-MSOP-PowerPAD -40 to 85MAXIMUM RATINGS(1)over operating free-air temperature range unless otherwise notedTPS4000x UNITBOOT ..
TPS40003DGQR ,Low Input Voltage Mode Synchronous Buck Controllermaximum ratings” may cause permanent damage to the device. These are stress ratings only,and functi ..
TPS40003DGQRG4 ,Low Input Voltage Mode Synchronous Buck Controller 10-MSOP-PowerPAD -40 to 85ELECTRICAL CHARACTERISTICSover recommended operating temperature range, T = −40C to 85C, V = 5.0 ..
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TPS40002DGQ-TPS40002DGQR
Low Input Voltage Mode Synchronous Buck Controller
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SLUS507D − JANUARY 2002 − REVISED NOVEMBER 2005
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FEATURES
Operating Input Voltage 2.25 V to 5.5 V Output Voltage as Low as 0.7 V 1% Internal 0.7 V Reference Predictive Gate Drive� N-Channel MOSFET
Drivers for Higher Efficiency
Externally Adjustable Soft-Start and
Overcurrent Limit
Source-Only Current or Source/Sink Current Versions for Starting Into VOUT Pre-Bias 10-Lead MSOP PowerPad� Package for
Higher Performance
Thermal Shutdown Internal Boostrap Diode Fixed-Frequency, Voltage-Mode Control
− TPS40000/1/4 300-kHz
− TPS40002/3/5 600-kHz
SIMPLIFIED APPLICATION DIAGRAM
APPLICATIONS
Networking Equipment Telecom Equipment Base Stations Servers DSP Power Power Modules
DESCRIPTION
The TPS4000x are controllers for low-voltage,
non-isolated synchronous buck regulators. These
controllers drive an N-channel MOSFET for the
primary buck switch, and an N-channel MOSFET
for the synchronous rectifier switch, thereby
achieving very high-efficiency power conversion. In
addition, the device controls the delays from main
switch off to rectifier turn-on and from rectifier
turn-off to main switch turn-on in such a way as to
minimize diode losses (both conduction and
recovery) in the synchronous rectifier with TI’s
proprietary Predictive Gate Drive� technology. The
reduction in these losses is significant and increases
efficiency. For a given converter power level, smaller
FETs can be used, or heat sinking can be reduced
or even eliminated.
UDG−01141
VIN
VOUT
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